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Henry Hun's case of lateral medullary syndrome (10)

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Henry Hun's case of lateral medullary syndrome (1897), 4 years before the pathology from Wallenberg's case was published. A section through the medulla oblongata at the level of the cochlear nerves. This shows degeneration of both anterior pyramids, especially of the right, and of the stratum zonale and hilum of each olive W and Z, also of the lateral portion of the left formatio reticularis and of the left corpus restiforme. The direct sensory cerebellar tract is represented by S, K, B; Deiters's nucleus by D, C; the descending vestibular olivary tract by y y; the descending vestibular spinal tract by x x; and the descending root of the fifth nerve by V Desc. (Source: Hun H. Analgesia, thermic anaesthesia, and ataxia, resulting from foci of softening in the medulla oblongata and cerebellum, due to occlusion of the left inferior posterior cerebellar artery. A study of the course of the sensory and co-ordinating tracts in the medulla oblongata. N Y Med J 1897;65:513-9. Edited by Dr. Douglas J Lanska.)